Anyone above level 72 is able to start planting Calquats . This patch is located to the north in Tai Bwo Wannai on Karamja RS Gold . This tree can grow for up to 21 hours, however it is an ideal addition to other methods since it provides 12,5k exp being taken down. Calquat tree seeds are also low in cost, which means it's no big deal to get some. These seeds can be bought at Grand Exchange which is the most effective option.
If you've already gotten to the 85, you can plant a second special tree that is Celastrus. The patch for this tree is located in the third tier of the guild of Farmers. While it is quite costly seeds, it doesn't provide significantly more experience than an acaquat tree. The average growth time is 13,5 hours . It gives you a nice boost in experience, however, it is best done by those who have extra gold for farming and those who want to achieve the highest possible experience through the day.
Begin your quest from Varrock where you can find tree patch a little bit in the southeast corner of the castle. Transfer to Tree Gnome Stronghold by using one of the two rings, Spirit Tree or Slayer Ring and plant what you have.
Use Falador to teleport as well as the farm tree patch in this region. Connect to Lumbridge and farm the tree patch and finally reach Taverley where you can locate another. Last tree patch is located in a farming guild but you'll need 45 farming as well as 60% of Hosidius Favor to get access to it.
In addition to regular routes for trees, which you'll do most of all the time Buy RS3 Gold, it is possible to acquire additional experience in farming by planting fruit trees in patches specially designed specifically for these patches.